20797834496

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{9391}}^1$

素因数の和:9659

約数の個数: 72

約数和(自身を含む): 42733074048

約数和(自身を除く): 21935239552

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 211, 256, 328, 422, 656, 844, 1312, 1688, 2624, 3376, 5248, 6752, 8651, 9391, 10496, 13504, 17302, 18782, 27008, 34604, 37564, 54016, 69208, 75128, 138416, 150256, 276832, 300512, 385031, 553664, 601024, 770062, 1107328, 1202048, 1540124, 1981501, 2214656, 2404096, 3080248, 3963002, 6160496, 7926004, 12320992, 15852008, 24641984, 31704016, 49283968, 63408032, 81241541, 98567936, 126816064, 162483082, 253632128, 324966164, 507264256, 649932328, 1299864656, 2599729312, 5199458624, 10398917248, 20797834496]

約数ペア:

[(1, 20797834496), (2, 10398917248), (4, 5199458624), (8, 2599729312), (16, 1299864656), (32, 649932328), (41, 507264256), (64, 324966164), (82, 253632128), (128, 162483082), (164, 126816064), (211, 98567936), (256, 81241541), (328, 63408032), (422, 49283968), (656, 31704016), (844, 24641984), (1312, 15852008), (1688, 12320992), (2624, 7926004), (3376, 6160496), (5248, 3963002), (6752, 3080248), (8651, 2404096), (9391, 2214656), (10496, 1981501), (13504, 1540124), (17302, 1202048), (18782, 1107328), (27008, 770062), (34604, 601024), (37564, 553664), (54016, 385031), (69208, 300512), (75128, 276832), (138416, 150256)]