20054850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5813}}^1$

素因数の和:5851

約数の個数: 48

約数和(自身を含む): 51907392

約数和(自身を除く): 31852542

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 5813, 11626, 17439, 29065, 34878, 58130, 87195, 133699, 145325, 174390, 267398, 290650, 401097, 435975, 668495, 802194, 871950, 1336990, 2005485, 3342475, 4010970, 6684950, 10027425, 20054850]

約数ペア:

[(1, 20054850), (2, 10027425), (3, 6684950), (5, 4010970), (6, 3342475), (10, 2005485), (15, 1336990), (23, 871950), (25, 802194), (30, 668495), (46, 435975), (50, 401097), (69, 290650), (75, 267398), (115, 174390), (138, 145325), (150, 133699), (230, 87195), (345, 58130), (575, 34878), (690, 29065), (1150, 17439), (1725, 11626), (3450, 5813)]