20123625820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{3313}}^1$

素因数の和:3551

約数の個数: 96

約数和(自身を含む): 44522343936

約数和(自身を除く): 24398718116

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 101, 124, 155, 194, 202, 310, 388, 404, 485, 505, 620, 970, 1010, 1940, 2020, 3007, 3131, 3313, 6014, 6262, 6626, 9797, 12028, 12524, 13252, 15035, 15655, 16565, 19594, 30070, 31310, 33130, 39188, 48985, 60140, 62620, 66260, 97970, 102703, 195940, 205406, 303707, 321361, 334613, 410812, 513515, 607414, 642722, 669226, 1027030, 1214828, 1285444, 1338452, 1518535, 1606805, 1673065, 2054060, 3037070, 3213610, 3346130, 6074140, 6427220, 6692260, 9962191, 10373003, 19924382, 20746006, 32457461, 39848764, 41492012, 49810955, 51865015, 64914922, 99621910, 103730030, 129829844, 162287305, 199243820, 207460060, 324574610, 649149220, 1006181291, 2012362582, 4024725164, 5030906455, 10061812910, 20123625820]

約数ペア:

[(1, 20123625820), (2, 10061812910), (4, 5030906455), (5, 4024725164), (10, 2012362582), (20, 1006181291), (31, 649149220), (62, 324574610), (97, 207460060), (101, 199243820), (124, 162287305), (155, 129829844), (194, 103730030), (202, 99621910), (310, 64914922), (388, 51865015), (404, 49810955), (485, 41492012), (505, 39848764), (620, 32457461), (970, 20746006), (1010, 19924382), (1940, 10373003), (2020, 9962191), (3007, 6692260), (3131, 6427220), (3313, 6074140), (6014, 3346130), (6262, 3213610), (6626, 3037070), (9797, 2054060), (12028, 1673065), (12524, 1606805), (13252, 1518535), (15035, 1338452), (15655, 1285444), (16565, 1214828), (19594, 1027030), (30070, 669226), (31310, 642722), (33130, 607414), (39188, 513515), (48985, 410812), (60140, 334613), (62620, 321361), (66260, 303707), (97970, 205406), (102703, 195940)]