20121806220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{857707}}^1$

素因数の和:857759

約数の個数: 96

約数和(自身を含む): 62249015808

約数和(自身を除く): 42127209588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 34, 46, 51, 60, 68, 69, 85, 92, 102, 115, 138, 170, 204, 230, 255, 276, 340, 345, 391, 460, 510, 690, 782, 1020, 1173, 1380, 1564, 1955, 2346, 3910, 4692, 5865, 7820, 11730, 23460, 857707, 1715414, 2573121, 3430828, 4288535, 5146242, 8577070, 10292484, 12865605, 14581019, 17154140, 19727261, 25731210, 29162038, 39454522, 43743057, 51462420, 58324076, 59181783, 72905095, 78909044, 87486114, 98636305, 118363566, 145810190, 174972228, 197272610, 218715285, 236727132, 291620380, 295908915, 335363437, 394545220, 437430570, 591817830, 670726874, 874861140, 1006090311, 1183635660, 1341453748, 1676817185, 2012180622, 3353634370, 4024361244, 5030451555, 6707268740, 10060903110, 20121806220]

約数ペア:

[(1, 20121806220), (2, 10060903110), (3, 6707268740), (4, 5030451555), (5, 4024361244), (6, 3353634370), (10, 2012180622), (12, 1676817185), (15, 1341453748), (17, 1183635660), (20, 1006090311), (23, 874861140), (30, 670726874), (34, 591817830), (46, 437430570), (51, 394545220), (60, 335363437), (68, 295908915), (69, 291620380), (85, 236727132), (92, 218715285), (102, 197272610), (115, 174972228), (138, 145810190), (170, 118363566), (204, 98636305), (230, 87486114), (255, 78909044), (276, 72905095), (340, 59181783), (345, 58324076), (391, 51462420), (460, 43743057), (510, 39454522), (690, 29162038), (782, 25731210), (1020, 19727261), (1173, 17154140), (1380, 14581019), (1564, 12865605), (1955, 10292484), (2346, 8577070), (3910, 5146242), (4692, 4288535), (5865, 3430828), (7820, 2573121), (11730, 1715414), (23460, 857707)]