20430578115

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{17609}}^1$

素因数の和:17721

約数の個数: 96

約数和(自身を含む): 39559104000

約数和(自身を除く): 19128525885

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 59, 69, 95, 115, 171, 177, 207, 285, 295, 345, 437, 531, 855, 885, 1035, 1121, 1311, 1357, 2185, 2655, 3363, 3933, 4071, 5605, 6555, 6785, 10089, 12213, 16815, 17609, 19665, 20355, 25783, 50445, 52827, 61065, 77349, 88045, 128915, 158481, 232047, 264135, 334571, 386745, 405007, 792405, 1003713, 1038931, 1160235, 1215021, 1672855, 2025035, 3011139, 3116793, 3645063, 5018565, 5194655, 6075105, 7695133, 9350379, 15055695, 15583965, 18225315, 19739689, 23085399, 23895413, 38475665, 46751895, 59219067, 69256197, 71686239, 98698445, 115426995, 119477065, 177657201, 215058717, 296095335, 346280985, 358431195, 454012847, 888286005, 1075293585, 1362038541, 2270064235, 4086115623, 6810192705, 20430578115]

約数ペア:

[(1, 20430578115), (3, 6810192705), (5, 4086115623), (9, 2270064235), (15, 1362038541), (19, 1075293585), (23, 888286005), (45, 454012847), (57, 358431195), (59, 346280985), (69, 296095335), (95, 215058717), (115, 177657201), (171, 119477065), (177, 115426995), (207, 98698445), (285, 71686239), (295, 69256197), (345, 59219067), (437, 46751895), (531, 38475665), (855, 23895413), (885, 23085399), (1035, 19739689), (1121, 18225315), (1311, 15583965), (1357, 15055695), (2185, 9350379), (2655, 7695133), (3363, 6075105), (3933, 5194655), (4071, 5018565), (5605, 3645063), (6555, 3116793), (6785, 3011139), (10089, 2025035), (12213, 1672855), (16815, 1215021), (17609, 1160235), (19665, 1038931), (20355, 1003713), (25783, 792405), (50445, 405007), (52827, 386745), (61065, 334571), (77349, 264135), (88045, 232047), (128915, 158481)]