20898600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:651

約数の個数: 96

約数和(自身を含む): 65963040

約数和(自身を除く): 45064440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 61, 75, 100, 120, 122, 150, 183, 200, 244, 300, 305, 366, 488, 571, 600, 610, 732, 915, 1142, 1220, 1464, 1525, 1713, 1830, 2284, 2440, 2855, 3050, 3426, 3660, 4568, 4575, 5710, 6100, 6852, 7320, 8565, 9150, 11420, 12200, 13704, 14275, 17130, 18300, 22840, 28550, 34260, 34831, 36600, 42825, 57100, 68520, 69662, 85650, 104493, 114200, 139324, 171300, 174155, 208986, 278648, 342600, 348310, 417972, 522465, 696620, 835944, 870775, 1044930, 1393240, 1741550, 2089860, 2612325, 3483100, 4179720, 5224650, 6966200, 10449300, 20898600]

約数ペア:

[(1, 20898600), (2, 10449300), (3, 6966200), (4, 5224650), (5, 4179720), (6, 3483100), (8, 2612325), (10, 2089860), (12, 1741550), (15, 1393240), (20, 1044930), (24, 870775), (25, 835944), (30, 696620), (40, 522465), (50, 417972), (60, 348310), (61, 342600), (75, 278648), (100, 208986), (120, 174155), (122, 171300), (150, 139324), (183, 114200), (200, 104493), (244, 85650), (300, 69662), (305, 68520), (366, 57100), (488, 42825), (571, 36600), (600, 34831), (610, 34260), (732, 28550), (915, 22840), (1142, 18300), (1220, 17130), (1464, 14275), (1525, 13704), (1713, 12200), (1830, 11420), (2284, 9150), (2440, 8565), (2855, 7320), (3050, 6852), (3426, 6100), (3660, 5710), (4568, 4575)]