20946150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:630

約数の個数: 72

約数和(自身を含む): 57016440

約数和(自身を除く): 36070290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 89, 90, 150, 178, 225, 267, 445, 450, 523, 534, 801, 890, 1046, 1335, 1569, 1602, 2225, 2615, 2670, 3138, 4005, 4450, 4707, 5230, 6675, 7845, 8010, 9414, 13075, 13350, 15690, 20025, 23535, 26150, 39225, 40050, 46547, 47070, 78450, 93094, 117675, 139641, 232735, 235350, 279282, 418923, 465470, 698205, 837846, 1163675, 1396410, 2094615, 2327350, 3491025, 4189230, 6982050, 10473075, 20946150]

約数ペア:

[(1, 20946150), (2, 10473075), (3, 6982050), (5, 4189230), (6, 3491025), (9, 2327350), (10, 2094615), (15, 1396410), (18, 1163675), (25, 837846), (30, 698205), (45, 465470), (50, 418923), (75, 279282), (89, 235350), (90, 232735), (150, 139641), (178, 117675), (225, 93094), (267, 78450), (445, 47070), (450, 46547), (523, 40050), (534, 39225), (801, 26150), (890, 23535), (1046, 20025), (1335, 15690), (1569, 13350), (1602, 13075), (2225, 9414), (2615, 8010), (2670, 7845), (3138, 6675), (4005, 5230), (4450, 4707)]