20219783272

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{51749}}^1$

素因数の和:51815

約数の個数: 72

約数和(自身を含む): 43610501250

約数和(自身を除く): 23390717978

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 289, 338, 442, 578, 676, 884, 1156, 1352, 1768, 2312, 2873, 3757, 5746, 7514, 11492, 15028, 22984, 30056, 48841, 51749, 97682, 103498, 195364, 206996, 390728, 413992, 672737, 879733, 1345474, 1759466, 2690948, 3518932, 5381896, 7037864, 8745581, 11436529, 14955461, 17491162, 22873058, 29910922, 34982324, 45746116, 59821844, 69964648, 91492232, 119643688, 148674877, 194420993, 297349754, 388841986, 594699508, 777683972, 1189399016, 1555367944, 2527472909, 5054945818, 10109891636, 20219783272]

約数ペア:

[(1, 20219783272), (2, 10109891636), (4, 5054945818), (8, 2527472909), (13, 1555367944), (17, 1189399016), (26, 777683972), (34, 594699508), (52, 388841986), (68, 297349754), (104, 194420993), (136, 148674877), (169, 119643688), (221, 91492232), (289, 69964648), (338, 59821844), (442, 45746116), (578, 34982324), (676, 29910922), (884, 22873058), (1156, 17491162), (1352, 14955461), (1768, 11436529), (2312, 8745581), (2873, 7037864), (3757, 5381896), (5746, 3518932), (7514, 2690948), (11492, 1759466), (15028, 1345474), (22984, 879733), (30056, 672737), (48841, 413992), (51749, 390728), (97682, 206996), (103498, 195364)]