20847060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 69713280

約数和(自身を除く): 48866220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 59, 60, 65, 78, 90, 117, 118, 130, 151, 156, 177, 180, 195, 234, 236, 260, 295, 302, 354, 390, 453, 468, 531, 585, 590, 604, 708, 755, 767, 780, 885, 906, 1062, 1170, 1180, 1359, 1510, 1534, 1770, 1812, 1963, 2124, 2265, 2301, 2340, 2655, 2718, 3020, 3068, 3540, 3835, 3926, 4530, 4602, 5310, 5436, 5889, 6795, 6903, 7670, 7852, 8909, 9060, 9204, 9815, 10620, 11505, 11778, 13590, 13806, 15340, 17667, 17818, 19630, 23010, 23556, 26727, 27180, 27612, 29445, 34515, 35334, 35636, 39260, 44545, 46020, 53454, 58890, 69030, 70668, 80181, 88335, 89090, 106908, 115817, 117780, 133635, 138060, 160362, 176670, 178180, 231634, 267270, 320724, 347451, 353340, 400905, 463268, 534540, 579085, 694902, 801810, 1042353, 1158170, 1389804, 1603620, 1737255, 2084706, 2316340, 3474510, 4169412, 5211765, 6949020, 10423530, 20847060]

約数ペア:

[(1, 20847060), (2, 10423530), (3, 6949020), (4, 5211765), (5, 4169412), (6, 3474510), (9, 2316340), (10, 2084706), (12, 1737255), (13, 1603620), (15, 1389804), (18, 1158170), (20, 1042353), (26, 801810), (30, 694902), (36, 579085), (39, 534540), (45, 463268), (52, 400905), (59, 353340), (60, 347451), (65, 320724), (78, 267270), (90, 231634), (117, 178180), (118, 176670), (130, 160362), (151, 138060), (156, 133635), (177, 117780), (180, 115817), (195, 106908), (234, 89090), (236, 88335), (260, 80181), (295, 70668), (302, 69030), (354, 58890), (390, 53454), (453, 46020), (468, 44545), (531, 39260), (585, 35636), (590, 35334), (604, 34515), (708, 29445), (755, 27612), (767, 27180), (780, 26727), (885, 23556), (906, 23010), (1062, 19630), (1170, 17818), (1180, 17667), (1359, 15340), (1510, 13806), (1534, 13590), (1770, 11778), (1812, 11505), (1963, 10620), (2124, 9815), (2265, 9204), (2301, 9060), (2340, 8909), (2655, 7852), (2718, 7670), (3020, 6903), (3068, 6795), (3540, 5889), (3835, 5436), (3926, 5310), (4530, 4602)]