20138461140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1031}}^1\times {\mathrm{46507}}^1$

素因数の和:47557

約数の個数: 96

約数和(自身を含む): 64506968064

約数和(自身を除く): 44368506924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1031, 2062, 3093, 4124, 5155, 6186, 7217, 10310, 12372, 14434, 15465, 20620, 21651, 28868, 30930, 36085, 43302, 46507, 61860, 72170, 86604, 93014, 108255, 139521, 144340, 186028, 216510, 232535, 279042, 325549, 433020, 465070, 558084, 651098, 697605, 930140, 976647, 1302196, 1395210, 1627745, 1953294, 2790420, 3255490, 3906588, 4883235, 6510980, 9766470, 19532940, 47948717, 95897434, 143846151, 191794868, 239743585, 287692302, 335641019, 479487170, 575384604, 671282038, 719230755, 958974340, 1006923057, 1342564076, 1438461510, 1678205095, 2013846114, 2876923020, 3356410190, 4027692228, 5034615285, 6712820380, 10069230570, 20138461140]

約数ペア:

[(1, 20138461140), (2, 10069230570), (3, 6712820380), (4, 5034615285), (5, 4027692228), (6, 3356410190), (7, 2876923020), (10, 2013846114), (12, 1678205095), (14, 1438461510), (15, 1342564076), (20, 1006923057), (21, 958974340), (28, 719230755), (30, 671282038), (35, 575384604), (42, 479487170), (60, 335641019), (70, 287692302), (84, 239743585), (105, 191794868), (140, 143846151), (210, 95897434), (420, 47948717), (1031, 19532940), (2062, 9766470), (3093, 6510980), (4124, 4883235), (5155, 3906588), (6186, 3255490), (7217, 2790420), (10310, 1953294), (12372, 1627745), (14434, 1395210), (15465, 1302196), (20620, 976647), (21651, 930140), (28868, 697605), (30930, 651098), (36085, 558084), (43302, 465070), (46507, 433020), (61860, 325549), (72170, 279042), (86604, 232535), (93014, 216510), (108255, 186028), (139521, 144340)]