20178150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 54559008

約数和(自身を除く): 34380858

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 41, 50, 51, 75, 82, 85, 102, 123, 150, 170, 193, 205, 246, 255, 386, 410, 425, 510, 579, 615, 697, 850, 965, 1025, 1158, 1230, 1275, 1394, 1930, 2050, 2091, 2550, 2895, 3075, 3281, 3485, 4182, 4825, 5790, 6150, 6562, 6970, 7913, 9650, 9843, 10455, 14475, 15826, 16405, 17425, 19686, 20910, 23739, 28950, 32810, 34850, 39565, 47478, 49215, 52275, 79130, 82025, 98430, 104550, 118695, 134521, 164050, 197825, 237390, 246075, 269042, 395650, 403563, 492150, 593475, 672605, 807126, 1186950, 1345210, 2017815, 3363025, 4035630, 6726050, 10089075, 20178150]

約数ペア:

[(1, 20178150), (2, 10089075), (3, 6726050), (5, 4035630), (6, 3363025), (10, 2017815), (15, 1345210), (17, 1186950), (25, 807126), (30, 672605), (34, 593475), (41, 492150), (50, 403563), (51, 395650), (75, 269042), (82, 246075), (85, 237390), (102, 197825), (123, 164050), (150, 134521), (170, 118695), (193, 104550), (205, 98430), (246, 82025), (255, 79130), (386, 52275), (410, 49215), (425, 47478), (510, 39565), (579, 34850), (615, 32810), (697, 28950), (850, 23739), (965, 20910), (1025, 19686), (1158, 17425), (1230, 16405), (1275, 15826), (1394, 14475), (1930, 10455), (2050, 9843), (2091, 9650), (2550, 7913), (2895, 6970), (3075, 6562), (3281, 6150), (3485, 5790), (4182, 4825)]