20740584375

素因数分解:

$3^2\times 5^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6197}}^1$

素因数の和:6252

約数の個数: 144

約数和(自身を含む): 45319974336

約数和(自身を除く): 24579389961

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 63, 75, 85, 105, 119, 125, 153, 175, 225, 255, 315, 357, 375, 425, 525, 595, 625, 765, 875, 1071, 1125, 1275, 1575, 1785, 1875, 2125, 2625, 2975, 3125, 3825, 4375, 5355, 5625, 6197, 6375, 7875, 8925, 9375, 10625, 13125, 14875, 18591, 19125, 21875, 26775, 28125, 30985, 31875, 39375, 43379, 44625, 53125, 55773, 65625, 74375, 92955, 95625, 105349, 130137, 133875, 154925, 159375, 196875, 216895, 223125, 278865, 316047, 371875, 390411, 464775, 478125, 526745, 650685, 669375, 737443, 774625, 948141, 1084475, 1115625, 1394325, 1580235, 1952055, 2212329, 2323875, 2633725, 3253425, 3346875, 3687215, 3873125, 4740705, 5422375, 6636987, 6971625, 7901175, 9760275, 11061645, 11619375, 13168625, 16267125, 18436075, 19365625, 23703525, 27111875, 33184935, 34858125, 39505875, 48801375, 55308225, 58096875, 65843125, 81335625, 92180375, 118517625, 135559375, 165924675, 174290625, 197529375, 244006875, 276541125, 329215625, 406678125, 460901875, 592588125, 829623375, 987646875, 1220034375, 1382705625, 2304509375, 2962940625, 4148116875, 6913528125, 20740584375]

約数ペア:

[(1, 20740584375), (3, 6913528125), (5, 4148116875), (7, 2962940625), (9, 2304509375), (15, 1382705625), (17, 1220034375), (21, 987646875), (25, 829623375), (35, 592588125), (45, 460901875), (51, 406678125), (63, 329215625), (75, 276541125), (85, 244006875), (105, 197529375), (119, 174290625), (125, 165924675), (153, 135559375), (175, 118517625), (225, 92180375), (255, 81335625), (315, 65843125), (357, 58096875), (375, 55308225), (425, 48801375), (525, 39505875), (595, 34858125), (625, 33184935), (765, 27111875), (875, 23703525), (1071, 19365625), (1125, 18436075), (1275, 16267125), (1575, 13168625), (1785, 11619375), (1875, 11061645), (2125, 9760275), (2625, 7901175), (2975, 6971625), (3125, 6636987), (3825, 5422375), (4375, 4740705), (5355, 3873125), (5625, 3687215), (6197, 3346875), (6375, 3253425), (7875, 2633725), (8925, 2323875), (9375, 2212329), (10625, 1952055), (13125, 1580235), (14875, 1394325), (18591, 1115625), (19125, 1084475), (21875, 948141), (26775, 774625), (28125, 737443), (30985, 669375), (31875, 650685), (39375, 526745), (43379, 478125), (44625, 464775), (53125, 390411), (55773, 371875), (65625, 316047), (74375, 278865), (92955, 223125), (95625, 216895), (105349, 196875), (130137, 159375), (133875, 154925)]