20975430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:794

約数の個数: 96

約数和(自身を含む): 61724160

約数和(自身を除く): 40748730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 49, 57, 70, 95, 98, 105, 114, 133, 147, 190, 210, 245, 266, 285, 294, 399, 490, 570, 665, 735, 751, 798, 931, 1330, 1470, 1502, 1862, 1995, 2253, 2793, 3755, 3990, 4506, 4655, 5257, 5586, 7510, 9310, 10514, 11265, 13965, 14269, 15771, 22530, 26285, 27930, 28538, 31542, 36799, 42807, 52570, 71345, 73598, 78855, 85614, 99883, 110397, 142690, 157710, 183995, 199766, 214035, 220794, 299649, 367990, 428070, 499415, 551985, 599298, 699181, 998830, 1103970, 1398362, 1498245, 2097543, 2996490, 3495905, 4195086, 6991810, 10487715, 20975430]

約数ペア:

[(1, 20975430), (2, 10487715), (3, 6991810), (5, 4195086), (6, 3495905), (7, 2996490), (10, 2097543), (14, 1498245), (15, 1398362), (19, 1103970), (21, 998830), (30, 699181), (35, 599298), (38, 551985), (42, 499415), (49, 428070), (57, 367990), (70, 299649), (95, 220794), (98, 214035), (105, 199766), (114, 183995), (133, 157710), (147, 142690), (190, 110397), (210, 99883), (245, 85614), (266, 78855), (285, 73598), (294, 71345), (399, 52570), (490, 42807), (570, 36799), (665, 31542), (735, 28538), (751, 27930), (798, 26285), (931, 22530), (1330, 15771), (1470, 14269), (1502, 13965), (1862, 11265), (1995, 10514), (2253, 9310), (2793, 7510), (3755, 5586), (3990, 5257), (4506, 4655)]