20461950

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:703

約数の個数: 96

約数和(自身を含む): 58924800

約数和(自身を除く): 38462850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 27, 30, 45, 46, 50, 54, 69, 75, 90, 115, 135, 138, 150, 207, 225, 230, 270, 345, 414, 450, 575, 621, 659, 675, 690, 1035, 1150, 1242, 1318, 1350, 1725, 1977, 2070, 3105, 3295, 3450, 3954, 5175, 5931, 6210, 6590, 9885, 10350, 11862, 15157, 15525, 16475, 17793, 19770, 29655, 30314, 31050, 32950, 35586, 45471, 49425, 59310, 75785, 88965, 90942, 98850, 136413, 148275, 151570, 177930, 227355, 272826, 296550, 378925, 409239, 444825, 454710, 682065, 757850, 818478, 889650, 1136775, 1364130, 2046195, 2273550, 3410325, 4092390, 6820650, 10230975, 20461950]

約数ペア:

[(1, 20461950), (2, 10230975), (3, 6820650), (5, 4092390), (6, 3410325), (9, 2273550), (10, 2046195), (15, 1364130), (18, 1136775), (23, 889650), (25, 818478), (27, 757850), (30, 682065), (45, 454710), (46, 444825), (50, 409239), (54, 378925), (69, 296550), (75, 272826), (90, 227355), (115, 177930), (135, 151570), (138, 148275), (150, 136413), (207, 98850), (225, 90942), (230, 88965), (270, 75785), (345, 59310), (414, 49425), (450, 45471), (575, 35586), (621, 32950), (659, 31050), (675, 30314), (690, 29655), (1035, 19770), (1150, 17793), (1242, 16475), (1318, 15525), (1350, 15157), (1725, 11862), (1977, 10350), (2070, 9885), (3105, 6590), (3295, 6210), (3450, 5931), (3954, 5175)]