20432790

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:611

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 45231210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 513, 569, 570, 630, 665, 798, 855, 945, 1026, 1138, 1197, 1330, 1707, 1710, 1890, 1995, 2394, 2565, 2845, 3414, 3591, 3983, 3990, 5121, 5130, 5690, 5985, 7182, 7966, 8535, 10242, 10811, 11949, 11970, 15363, 17070, 17955, 19915, 21622, 23898, 25605, 30726, 32433, 35847, 35910, 39830, 51210, 54055, 59745, 64866, 71694, 75677, 76815, 97299, 107541, 108110, 119490, 151354, 153630, 162165, 179235, 194598, 215082, 227031, 291897, 324330, 358470, 378385, 454062, 486495, 537705, 583794, 681093, 756770, 972990, 1075410, 1135155, 1362186, 1459485, 2043279, 2270310, 2918970, 3405465, 4086558, 6810930, 10216395, 20432790]

約数ペア:

[(1, 20432790), (2, 10216395), (3, 6810930), (5, 4086558), (6, 3405465), (7, 2918970), (9, 2270310), (10, 2043279), (14, 1459485), (15, 1362186), (18, 1135155), (19, 1075410), (21, 972990), (27, 756770), (30, 681093), (35, 583794), (38, 537705), (42, 486495), (45, 454062), (54, 378385), (57, 358470), (63, 324330), (70, 291897), (90, 227031), (95, 215082), (105, 194598), (114, 179235), (126, 162165), (133, 153630), (135, 151354), (171, 119490), (189, 108110), (190, 107541), (210, 97299), (266, 76815), (270, 75677), (285, 71694), (315, 64866), (342, 59745), (378, 54055), (399, 51210), (513, 39830), (569, 35910), (570, 35847), (630, 32433), (665, 30726), (798, 25605), (855, 23898), (945, 21622), (1026, 19915), (1138, 17955), (1197, 17070), (1330, 15363), (1707, 11970), (1710, 11949), (1890, 10811), (1995, 10242), (2394, 8535), (2565, 7966), (2845, 7182), (3414, 5985), (3591, 5690), (3983, 5130), (3990, 5121)]