20163096880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{373}}^1$

素因数の和:795

約数の個数: 160

約数和(自身を含む): 49364840448

約数和(自身を除く): 29201743568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 307, 310, 355, 373, 496, 568, 614, 620, 710, 746, 1136, 1228, 1240, 1420, 1492, 1535, 1865, 2201, 2456, 2480, 2840, 2984, 3070, 3730, 4402, 4912, 5680, 5968, 6140, 7460, 8804, 9517, 11005, 11563, 12280, 14920, 17608, 19034, 21797, 22010, 23126, 24560, 26483, 29840, 35216, 38068, 43594, 44020, 46252, 47585, 52966, 57815, 76136, 87188, 88040, 92504, 95170, 105932, 108985, 114511, 115630, 132415, 152272, 174376, 176080, 185008, 190340, 211864, 217970, 229022, 231260, 264830, 348752, 380680, 423728, 435940, 458044, 462520, 529660, 572555, 675707, 761360, 820973, 871880, 916088, 925040, 1059320, 1145110, 1351414, 1641946, 1743760, 1832176, 2118640, 2290220, 2702828, 3283892, 3378535, 3549841, 4104865, 4580440, 5405656, 6567784, 6757070, 7099682, 8130281, 8209730, 9160880, 10811312, 13135568, 13514140, 14199364, 16260562, 16419460, 17749205, 27028280, 28398728, 32521124, 32838920, 35498410, 40651405, 54056560, 56797456, 65042248, 65677840, 70996820, 81302810, 130084496, 141993640, 162605620, 252038711, 283987280, 325211240, 504077422, 650422480, 1008154844, 1260193555, 2016309688, 2520387110, 4032619376, 5040774220, 10081548440, 20163096880]

約数ペア:

[(1, 20163096880), (2, 10081548440), (4, 5040774220), (5, 4032619376), (8, 2520387110), (10, 2016309688), (16, 1260193555), (20, 1008154844), (31, 650422480), (40, 504077422), (62, 325211240), (71, 283987280), (80, 252038711), (124, 162605620), (142, 141993640), (155, 130084496), (248, 81302810), (284, 70996820), (307, 65677840), (310, 65042248), (355, 56797456), (373, 54056560), (496, 40651405), (568, 35498410), (614, 32838920), (620, 32521124), (710, 28398728), (746, 27028280), (1136, 17749205), (1228, 16419460), (1240, 16260562), (1420, 14199364), (1492, 13514140), (1535, 13135568), (1865, 10811312), (2201, 9160880), (2456, 8209730), (2480, 8130281), (2840, 7099682), (2984, 6757070), (3070, 6567784), (3730, 5405656), (4402, 4580440), (4912, 4104865), (5680, 3549841), (5968, 3378535), (6140, 3283892), (7460, 2702828), (8804, 2290220), (9517, 2118640), (11005, 1832176), (11563, 1743760), (12280, 1641946), (14920, 1351414), (17608, 1145110), (19034, 1059320), (21797, 925040), (22010, 916088), (23126, 871880), (24560, 820973), (26483, 761360), (29840, 675707), (35216, 572555), (38068, 529660), (43594, 462520), (44020, 458044), (46252, 435940), (47585, 423728), (52966, 380680), (57815, 348752), (76136, 264830), (87188, 231260), (88040, 229022), (92504, 217970), (95170, 211864), (105932, 190340), (108985, 185008), (114511, 176080), (115630, 174376), (132415, 152272)]