20303118

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 72

約数和(自身を含む): 49994568

約数和(自身を除く): 29691450

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 41, 61, 66, 82, 99, 122, 123, 183, 198, 246, 366, 369, 451, 549, 671, 738, 902, 1098, 1342, 1353, 1681, 2013, 2501, 2706, 3362, 4026, 4059, 5002, 5043, 6039, 7503, 8118, 10086, 12078, 15006, 15129, 18491, 22509, 27511, 30258, 36982, 45018, 55022, 55473, 82533, 102541, 110946, 165066, 166419, 205082, 247599, 307623, 332838, 495198, 615246, 922869, 1127951, 1845738, 2255902, 3383853, 6767706, 10151559, 20303118]

約数ペア:

[(1, 20303118), (2, 10151559), (3, 6767706), (6, 3383853), (9, 2255902), (11, 1845738), (18, 1127951), (22, 922869), (33, 615246), (41, 495198), (61, 332838), (66, 307623), (82, 247599), (99, 205082), (122, 166419), (123, 165066), (183, 110946), (198, 102541), (246, 82533), (366, 55473), (369, 55022), (451, 45018), (549, 36982), (671, 30258), (738, 27511), (902, 22509), (1098, 18491), (1342, 15129), (1353, 15006), (1681, 12078), (2013, 10086), (2501, 8118), (2706, 7503), (3362, 6039), (4026, 5043), (4059, 5002)]