20099910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 31221690

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 179, 190, 197, 285, 358, 394, 537, 570, 591, 895, 985, 1074, 1182, 1790, 1970, 2685, 2955, 3401, 3743, 5370, 5910, 6802, 7486, 10203, 11229, 17005, 18715, 20406, 22458, 34010, 35263, 37430, 51015, 56145, 70526, 102030, 105789, 112290, 176315, 211578, 352630, 528945, 669997, 1057890, 1339994, 2009991, 3349985, 4019982, 6699970, 10049955, 20099910]

約数ペア:

[(1, 20099910), (2, 10049955), (3, 6699970), (5, 4019982), (6, 3349985), (10, 2009991), (15, 1339994), (19, 1057890), (30, 669997), (38, 528945), (57, 352630), (95, 211578), (114, 176315), (179, 112290), (190, 105789), (197, 102030), (285, 70526), (358, 56145), (394, 51015), (537, 37430), (570, 35263), (591, 34010), (895, 22458), (985, 20406), (1074, 18715), (1182, 17005), (1790, 11229), (1970, 10203), (2685, 7486), (2955, 6802), (3401, 5910), (3743, 5370)]