20852850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 54800064

約数和(自身を除く): 33947214

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 53, 61, 75, 86, 106, 122, 129, 150, 159, 183, 215, 258, 265, 305, 318, 366, 430, 530, 610, 645, 795, 915, 1075, 1290, 1325, 1525, 1590, 1830, 2150, 2279, 2623, 2650, 3050, 3225, 3233, 3975, 4558, 4575, 5246, 6450, 6466, 6837, 7869, 7950, 9150, 9699, 11395, 13115, 13674, 15738, 16165, 19398, 22790, 26230, 32330, 34185, 39345, 48495, 56975, 65575, 68370, 78690, 80825, 96990, 113950, 131150, 139019, 161650, 170925, 196725, 242475, 278038, 341850, 393450, 417057, 484950, 695095, 834114, 1390190, 2085285, 3475475, 4170570, 6950950, 10426425, 20852850]

約数ペア:

[(1, 20852850), (2, 10426425), (3, 6950950), (5, 4170570), (6, 3475475), (10, 2085285), (15, 1390190), (25, 834114), (30, 695095), (43, 484950), (50, 417057), (53, 393450), (61, 341850), (75, 278038), (86, 242475), (106, 196725), (122, 170925), (129, 161650), (150, 139019), (159, 131150), (183, 113950), (215, 96990), (258, 80825), (265, 78690), (305, 68370), (318, 65575), (366, 56975), (430, 48495), (530, 39345), (610, 34185), (645, 32330), (795, 26230), (915, 22790), (1075, 19398), (1290, 16165), (1325, 15738), (1525, 13674), (1590, 13115), (1830, 11395), (2150, 9699), (2279, 9150), (2623, 7950), (2650, 7869), (3050, 6837), (3225, 6466), (3233, 6450), (3975, 5246), (4558, 4575)]