20348430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1231}}^1$

素因数の和:1289

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 32873970

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 38, 57, 58, 87, 95, 114, 145, 174, 190, 285, 290, 435, 551, 570, 870, 1102, 1231, 1653, 2462, 2755, 3306, 3693, 5510, 6155, 7386, 8265, 12310, 16530, 18465, 23389, 35699, 36930, 46778, 70167, 71398, 107097, 116945, 140334, 178495, 214194, 233890, 350835, 356990, 535485, 678281, 701670, 1070970, 1356562, 2034843, 3391405, 4069686, 6782810, 10174215, 20348430]

約数ペア:

[(1, 20348430), (2, 10174215), (3, 6782810), (5, 4069686), (6, 3391405), (10, 2034843), (15, 1356562), (19, 1070970), (29, 701670), (30, 678281), (38, 535485), (57, 356990), (58, 350835), (87, 233890), (95, 214194), (114, 178495), (145, 140334), (174, 116945), (190, 107097), (285, 71398), (290, 70167), (435, 46778), (551, 36930), (570, 35699), (870, 23389), (1102, 18465), (1231, 16530), (1653, 12310), (2462, 8265), (2755, 7386), (3306, 6155), (3693, 5510)]