20242040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 57576960

約数和(自身を除く): 37334920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 83, 91, 104, 130, 134, 140, 166, 182, 260, 268, 280, 332, 335, 364, 415, 455, 469, 520, 536, 581, 664, 670, 728, 830, 871, 910, 938, 1079, 1162, 1340, 1660, 1742, 1820, 1876, 2158, 2324, 2345, 2680, 2905, 3320, 3484, 3640, 3752, 4316, 4355, 4648, 4690, 5395, 5561, 5810, 6097, 6968, 7553, 8632, 8710, 9380, 10790, 11122, 11620, 12194, 15106, 17420, 18760, 21580, 22244, 23240, 24388, 27805, 30212, 30485, 34840, 37765, 38927, 43160, 44488, 48776, 55610, 60424, 60970, 72293, 75530, 77854, 111220, 121940, 144586, 151060, 155708, 194635, 222440, 243880, 289172, 302120, 311416, 361465, 389270, 506051, 578344, 722930, 778540, 1012102, 1445860, 1557080, 2024204, 2530255, 2891720, 4048408, 5060510, 10121020, 20242040]

約数ペア:

[(1, 20242040), (2, 10121020), (4, 5060510), (5, 4048408), (7, 2891720), (8, 2530255), (10, 2024204), (13, 1557080), (14, 1445860), (20, 1012102), (26, 778540), (28, 722930), (35, 578344), (40, 506051), (52, 389270), (56, 361465), (65, 311416), (67, 302120), (70, 289172), (83, 243880), (91, 222440), (104, 194635), (130, 155708), (134, 151060), (140, 144586), (166, 121940), (182, 111220), (260, 77854), (268, 75530), (280, 72293), (332, 60970), (335, 60424), (364, 55610), (415, 48776), (455, 44488), (469, 43160), (520, 38927), (536, 37765), (581, 34840), (664, 30485), (670, 30212), (728, 27805), (830, 24388), (871, 23240), (910, 22244), (938, 21580), (1079, 18760), (1162, 17420), (1340, 15106), (1660, 12194), (1742, 11620), (1820, 11122), (1876, 10790), (2158, 9380), (2324, 8710), (2345, 8632), (2680, 7553), (2905, 6968), (3320, 6097), (3484, 5810), (3640, 5561), (3752, 5395), (4316, 4690), (4355, 4648)]