20565240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{593}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 65648880

約数和(自身を除く): 45083640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 289, 340, 408, 510, 578, 593, 680, 867, 1020, 1156, 1186, 1445, 1734, 1779, 2040, 2312, 2372, 2890, 2965, 3468, 3558, 4335, 4744, 5780, 5930, 6936, 7116, 8670, 8895, 10081, 11560, 11860, 14232, 17340, 17790, 20162, 23720, 30243, 34680, 35580, 40324, 50405, 60486, 71160, 80648, 100810, 120972, 151215, 171377, 201620, 241944, 302430, 342754, 403240, 514131, 604860, 685508, 856885, 1028262, 1209720, 1371016, 1713770, 2056524, 2570655, 3427540, 4113048, 5141310, 6855080, 10282620, 20565240]

約数ペア:

[(1, 20565240), (2, 10282620), (3, 6855080), (4, 5141310), (5, 4113048), (6, 3427540), (8, 2570655), (10, 2056524), (12, 1713770), (15, 1371016), (17, 1209720), (20, 1028262), (24, 856885), (30, 685508), (34, 604860), (40, 514131), (51, 403240), (60, 342754), (68, 302430), (85, 241944), (102, 201620), (120, 171377), (136, 151215), (170, 120972), (204, 100810), (255, 80648), (289, 71160), (340, 60486), (408, 50405), (510, 40324), (578, 35580), (593, 34680), (680, 30243), (867, 23720), (1020, 20162), (1156, 17790), (1186, 17340), (1445, 14232), (1734, 11860), (1779, 11560), (2040, 10081), (2312, 8895), (2372, 8670), (2890, 7116), (2965, 6936), (3468, 5930), (3558, 5780), (4335, 4744)]