20346744520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{1913}}^1$

素因数の和:2179

約数の個数: 128

約数和(自身を含む): 48556648800

約数和(自身を除く): 28209904280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 106, 116, 145, 173, 212, 232, 265, 290, 346, 424, 530, 580, 692, 865, 1060, 1160, 1384, 1537, 1730, 1913, 2120, 3074, 3460, 3826, 5017, 6148, 6920, 7652, 7685, 9169, 9565, 10034, 12296, 15304, 15370, 18338, 19130, 20068, 25085, 30740, 36676, 38260, 40136, 45845, 50170, 55477, 61480, 73352, 76520, 91690, 100340, 101389, 110954, 183380, 200680, 202778, 221908, 265901, 277385, 330949, 366760, 405556, 443816, 506945, 531802, 554770, 661898, 811112, 1013890, 1063604, 1109540, 1323796, 1329505, 1654745, 2027780, 2127208, 2219080, 2647592, 2659010, 2940281, 3309490, 4055560, 5318020, 5880562, 6618980, 9597521, 10636040, 11761124, 13237960, 14701405, 17540297, 19195042, 23522248, 29402810, 35080594, 38390084, 47987605, 58805620, 70161188, 76780168, 87701485, 95975210, 117611240, 140322376, 175402970, 191950420, 350805940, 383900840, 508668613, 701611880, 1017337226, 2034674452, 2543343065, 4069348904, 5086686130, 10173372260, 20346744520]

約数ペア:

[(1, 20346744520), (2, 10173372260), (4, 5086686130), (5, 4069348904), (8, 2543343065), (10, 2034674452), (20, 1017337226), (29, 701611880), (40, 508668613), (53, 383900840), (58, 350805940), (106, 191950420), (116, 175402970), (145, 140322376), (173, 117611240), (212, 95975210), (232, 87701485), (265, 76780168), (290, 70161188), (346, 58805620), (424, 47987605), (530, 38390084), (580, 35080594), (692, 29402810), (865, 23522248), (1060, 19195042), (1160, 17540297), (1384, 14701405), (1537, 13237960), (1730, 11761124), (1913, 10636040), (2120, 9597521), (3074, 6618980), (3460, 5880562), (3826, 5318020), (5017, 4055560), (6148, 3309490), (6920, 2940281), (7652, 2659010), (7685, 2647592), (9169, 2219080), (9565, 2127208), (10034, 2027780), (12296, 1654745), (15304, 1329505), (15370, 1323796), (18338, 1109540), (19130, 1063604), (20068, 1013890), (25085, 811112), (30740, 661898), (36676, 554770), (38260, 531802), (40136, 506945), (45845, 443816), (50170, 405556), (55477, 366760), (61480, 330949), (73352, 277385), (76520, 265901), (91690, 221908), (100340, 202778), (101389, 200680), (110954, 183380)]