20922510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 59951232

約数和(自身を除く): 39028722

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 49, 70, 86, 98, 105, 129, 147, 210, 215, 245, 258, 294, 301, 331, 430, 490, 602, 645, 662, 735, 903, 993, 1290, 1470, 1505, 1655, 1806, 1986, 2107, 2317, 3010, 3310, 4214, 4515, 4634, 4965, 6321, 6951, 9030, 9930, 10535, 11585, 12642, 13902, 14233, 16219, 21070, 23170, 28466, 31605, 32438, 34755, 42699, 48657, 63210, 69510, 71165, 81095, 85398, 97314, 99631, 142330, 162190, 199262, 213495, 243285, 298893, 426990, 486570, 498155, 597786, 697417, 996310, 1394834, 1494465, 2092251, 2988930, 3487085, 4184502, 6974170, 10461255, 20922510]

約数ペア:

[(1, 20922510), (2, 10461255), (3, 6974170), (5, 4184502), (6, 3487085), (7, 2988930), (10, 2092251), (14, 1494465), (15, 1394834), (21, 996310), (30, 697417), (35, 597786), (42, 498155), (43, 486570), (49, 426990), (70, 298893), (86, 243285), (98, 213495), (105, 199262), (129, 162190), (147, 142330), (210, 99631), (215, 97314), (245, 85398), (258, 81095), (294, 71165), (301, 69510), (331, 63210), (430, 48657), (490, 42699), (602, 34755), (645, 32438), (662, 31605), (735, 28466), (903, 23170), (993, 21070), (1290, 16219), (1470, 14233), (1505, 13902), (1655, 12642), (1806, 11585), (1986, 10535), (2107, 9930), (2317, 9030), (3010, 6951), (3310, 6321), (4214, 4965), (4515, 4634)]