20076943960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{2053}}^1$

素因数の和:2261

約数の個数: 128

約数和(自身を含む): 47516414400

約数和(自身を除く): 27439470440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 89, 134, 164, 178, 205, 268, 328, 335, 356, 410, 445, 536, 670, 712, 820, 890, 1340, 1640, 1780, 2053, 2680, 2747, 3560, 3649, 4106, 5494, 5963, 7298, 8212, 10265, 10988, 11926, 13735, 14596, 16424, 18245, 20530, 21976, 23852, 27470, 29192, 29815, 36490, 41060, 47704, 54940, 59630, 72980, 82120, 84173, 109880, 119260, 137551, 145960, 168346, 182717, 238520, 244483, 275102, 336692, 365434, 420865, 488966, 550204, 673384, 687755, 730868, 841730, 913585, 977932, 1100408, 1222415, 1375510, 1461736, 1683460, 1827170, 1955864, 2444830, 2751020, 3366920, 3654340, 4889660, 5502040, 5639591, 7308680, 7491397, 9779320, 11279182, 12242039, 14982794, 22558364, 24484078, 28197955, 29965588, 37456985, 45116728, 48968156, 56395910, 59931176, 61210195, 74913970, 97936312, 112791820, 122420390, 149827940, 225583640, 244840780, 299655880, 489681560, 501923599, 1003847198, 2007694396, 2509617995, 4015388792, 5019235990, 10038471980, 20076943960]

約数ペア:

[(1, 20076943960), (2, 10038471980), (4, 5019235990), (5, 4015388792), (8, 2509617995), (10, 2007694396), (20, 1003847198), (40, 501923599), (41, 489681560), (67, 299655880), (82, 244840780), (89, 225583640), (134, 149827940), (164, 122420390), (178, 112791820), (205, 97936312), (268, 74913970), (328, 61210195), (335, 59931176), (356, 56395910), (410, 48968156), (445, 45116728), (536, 37456985), (670, 29965588), (712, 28197955), (820, 24484078), (890, 22558364), (1340, 14982794), (1640, 12242039), (1780, 11279182), (2053, 9779320), (2680, 7491397), (2747, 7308680), (3560, 5639591), (3649, 5502040), (4106, 4889660), (5494, 3654340), (5963, 3366920), (7298, 2751020), (8212, 2444830), (10265, 1955864), (10988, 1827170), (11926, 1683460), (13735, 1461736), (14596, 1375510), (16424, 1222415), (18245, 1100408), (20530, 977932), (21976, 913585), (23852, 841730), (27470, 730868), (29192, 687755), (29815, 673384), (36490, 550204), (41060, 488966), (47704, 420865), (54940, 365434), (59630, 336692), (72980, 275102), (82120, 244483), (84173, 238520), (109880, 182717), (119260, 168346), (137551, 145960)]