20954850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{2851}}^1$

素因数の和:2880

約数の個数: 72

約数和(自身を含む): 60473808

約数和(自身を除く): 39518958

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 350, 490, 525, 735, 1050, 1225, 1470, 2450, 2851, 3675, 5702, 7350, 8553, 14255, 17106, 19957, 28510, 39914, 42765, 59871, 71275, 85530, 99785, 119742, 139699, 142550, 199570, 213825, 279398, 299355, 419097, 427650, 498925, 598710, 698495, 838194, 997850, 1396990, 1496775, 2095485, 2993550, 3492475, 4190970, 6984950, 10477425, 20954850]

約数ペア:

[(1, 20954850), (2, 10477425), (3, 6984950), (5, 4190970), (6, 3492475), (7, 2993550), (10, 2095485), (14, 1496775), (15, 1396990), (21, 997850), (25, 838194), (30, 698495), (35, 598710), (42, 498925), (49, 427650), (50, 419097), (70, 299355), (75, 279398), (98, 213825), (105, 199570), (147, 142550), (150, 139699), (175, 119742), (210, 99785), (245, 85530), (294, 71275), (350, 59871), (490, 42765), (525, 39914), (735, 28510), (1050, 19957), (1225, 17106), (1470, 14255), (2450, 8553), (2851, 7350), (3675, 5702)]