20921878956

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{225461}}^1$

素因数の和:225535

約数の個数: 96

約数和(自身を含む): 57573976320

約数和(自身を除く): 36652097364

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 37, 38, 44, 57, 66, 74, 76, 111, 114, 132, 148, 209, 222, 228, 407, 418, 444, 627, 703, 814, 836, 1221, 1254, 1406, 1628, 2109, 2442, 2508, 2812, 4218, 4884, 7733, 8436, 15466, 23199, 30932, 46398, 92796, 225461, 450922, 676383, 901844, 1352766, 2480071, 2705532, 4283759, 4960142, 7440213, 8342057, 8567518, 9920284, 12851277, 14880426, 16684114, 17135036, 25026171, 25702554, 29760852, 33368228, 47121349, 50052342, 51405108, 91762627, 94242698, 100104684, 141364047, 158499083, 183525254, 188485396, 275287881, 282728094, 316998166, 367050508, 475497249, 550575762, 565456188, 633996332, 950994498, 1101151524, 1743489913, 1901988996, 3486979826, 5230469739, 6973959652, 10460939478, 20921878956]

約数ペア:

[(1, 20921878956), (2, 10460939478), (3, 6973959652), (4, 5230469739), (6, 3486979826), (11, 1901988996), (12, 1743489913), (19, 1101151524), (22, 950994498), (33, 633996332), (37, 565456188), (38, 550575762), (44, 475497249), (57, 367050508), (66, 316998166), (74, 282728094), (76, 275287881), (111, 188485396), (114, 183525254), (132, 158499083), (148, 141364047), (209, 100104684), (222, 94242698), (228, 91762627), (407, 51405108), (418, 50052342), (444, 47121349), (627, 33368228), (703, 29760852), (814, 25702554), (836, 25026171), (1221, 17135036), (1254, 16684114), (1406, 14880426), (1628, 12851277), (2109, 9920284), (2442, 8567518), (2508, 8342057), (2812, 7440213), (4218, 4960142), (4884, 4283759), (7733, 2705532), (8436, 2480071), (15466, 1352766), (23199, 901844), (30932, 676383), (46398, 450922), (92796, 225461)]