20936670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1649

約数の個数: 64

約数和(自身を含む): 55226880

約数和(自身を除く): 34290210

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 38, 46, 57, 69, 95, 114, 115, 138, 190, 230, 285, 345, 437, 570, 690, 874, 1311, 1597, 2185, 2622, 3194, 4370, 4791, 6555, 7985, 9582, 13110, 15970, 23955, 30343, 36731, 47910, 60686, 73462, 91029, 110193, 151715, 182058, 183655, 220386, 303430, 367310, 455145, 550965, 697889, 910290, 1101930, 1395778, 2093667, 3489445, 4187334, 6978890, 10468335, 20936670]

約数ペア:

[(1, 20936670), (2, 10468335), (3, 6978890), (5, 4187334), (6, 3489445), (10, 2093667), (15, 1395778), (19, 1101930), (23, 910290), (30, 697889), (38, 550965), (46, 455145), (57, 367310), (69, 303430), (95, 220386), (114, 183655), (115, 182058), (138, 151715), (190, 110193), (230, 91029), (285, 73462), (345, 60686), (437, 47910), (570, 36731), (690, 30343), (874, 23955), (1311, 15970), (1597, 13110), (2185, 9582), (2622, 7985), (3194, 6555), (4370, 4791)]