20052469970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:748

約数の個数: 128

約数和(自身を含む): 41162784768

約数和(自身を除く): 21110314798

約数列:

[1, 2, 5, 10, 13, 26, 31, 53, 62, 65, 106, 130, 155, 223, 265, 310, 403, 421, 446, 530, 689, 806, 842, 1115, 1378, 1643, 2015, 2105, 2230, 2899, 3286, 3445, 4030, 4210, 5473, 5798, 6890, 6913, 8215, 10946, 11819, 13051, 13826, 14495, 16430, 21359, 22313, 23638, 26102, 27365, 28990, 34565, 42718, 44626, 54730, 59095, 65255, 69130, 89869, 93883, 106795, 111565, 118190, 130510, 153647, 169663, 179738, 187766, 213590, 223130, 290069, 307294, 339326, 366389, 449345, 469415, 580138, 691703, 732778, 768235, 848315, 898690, 938830, 1220479, 1383406, 1450345, 1536470, 1696630, 1831945, 2440958, 2900690, 2910373, 3458515, 3663890, 4763057, 4975799, 5820746, 6102395, 6917030, 8992139, 9526114, 9951598, 12204790, 14551865, 17984278, 23815285, 24878995, 29103730, 37834849, 44960695, 47630570, 49757990, 64685387, 75669698, 89921390, 129370774, 154249769, 189174245, 308499538, 323426935, 378348490, 646853870, 771248845, 1542497690, 2005246997, 4010493994, 10026234985, 20052469970]

約数ペア:

[(1, 20052469970), (2, 10026234985), (5, 4010493994), (10, 2005246997), (13, 1542497690), (26, 771248845), (31, 646853870), (53, 378348490), (62, 323426935), (65, 308499538), (106, 189174245), (130, 154249769), (155, 129370774), (223, 89921390), (265, 75669698), (310, 64685387), (403, 49757990), (421, 47630570), (446, 44960695), (530, 37834849), (689, 29103730), (806, 24878995), (842, 23815285), (1115, 17984278), (1378, 14551865), (1643, 12204790), (2015, 9951598), (2105, 9526114), (2230, 8992139), (2899, 6917030), (3286, 6102395), (3445, 5820746), (4030, 4975799), (4210, 4763057), (5473, 3663890), (5798, 3458515), (6890, 2910373), (6913, 2900690), (8215, 2440958), (10946, 1831945), (11819, 1696630), (13051, 1536470), (13826, 1450345), (14495, 1383406), (16430, 1220479), (21359, 938830), (22313, 898690), (23638, 848315), (26102, 768235), (27365, 732778), (28990, 691703), (34565, 580138), (42718, 469415), (44626, 449345), (54730, 366389), (59095, 339326), (65255, 307294), (69130, 290069), (89869, 223130), (93883, 213590), (106795, 187766), (111565, 179738), (118190, 169663), (130510, 153647)]