20188077270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{2389}}^1$

素因数の和:2790

約数の個数: 128

約数和(自身を含む): 52103070720

約数和(自身を除く): 31914993450

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 37, 46, 69, 74, 111, 115, 138, 185, 222, 230, 331, 345, 370, 555, 662, 690, 851, 993, 1110, 1655, 1702, 1986, 2389, 2553, 3310, 4255, 4778, 4965, 5106, 7167, 7613, 8510, 9930, 11945, 12247, 12765, 14334, 15226, 22839, 23890, 24494, 25530, 35835, 36741, 38065, 45678, 54947, 61235, 71670, 73482, 76130, 88393, 109894, 114195, 122470, 164841, 176786, 183705, 228390, 265179, 274735, 281681, 329682, 367410, 441965, 530358, 549470, 563362, 790759, 824205, 845043, 883930, 1325895, 1408405, 1581518, 1648410, 1690086, 2033039, 2372277, 2651790, 2816810, 3953795, 4066078, 4225215, 4744554, 6099117, 7907590, 8450430, 10165195, 11861385, 12198234, 18187457, 20330390, 23722770, 29258083, 30495585, 36374914, 54562371, 58516166, 60991170, 87774249, 90937285, 109124742, 146290415, 175548498, 181874570, 272811855, 292580830, 438871245, 545623710, 672935909, 877742490, 1345871818, 2018807727, 3364679545, 4037615454, 6729359090, 10094038635, 20188077270]

約数ペア:

[(1, 20188077270), (2, 10094038635), (3, 6729359090), (5, 4037615454), (6, 3364679545), (10, 2018807727), (15, 1345871818), (23, 877742490), (30, 672935909), (37, 545623710), (46, 438871245), (69, 292580830), (74, 272811855), (111, 181874570), (115, 175548498), (138, 146290415), (185, 109124742), (222, 90937285), (230, 87774249), (331, 60991170), (345, 58516166), (370, 54562371), (555, 36374914), (662, 30495585), (690, 29258083), (851, 23722770), (993, 20330390), (1110, 18187457), (1655, 12198234), (1702, 11861385), (1986, 10165195), (2389, 8450430), (2553, 7907590), (3310, 6099117), (4255, 4744554), (4778, 4225215), (4965, 4066078), (5106, 3953795), (7167, 2816810), (7613, 2651790), (8510, 2372277), (9930, 2033039), (11945, 1690086), (12247, 1648410), (12765, 1581518), (14334, 1408405), (15226, 1325895), (22839, 883930), (23890, 845043), (24494, 824205), (25530, 790759), (35835, 563362), (36741, 549470), (38065, 530358), (45678, 441965), (54947, 367410), (61235, 329682), (71670, 281681), (73482, 274735), (76130, 265179), (88393, 228390), (109894, 183705), (114195, 176786), (122470, 164841)]